1/* lang.h -- declarations for language codes etc.
2   $Id: lang.h,v 1.6 2004/04/11 17:56:47 karl Exp $
3
4   Copyright (C) 1999, 2001, 2002, 2003 Free Software Foundation, Inc.
5
6   This program is free software; you can redistribute it and/or modify
7   it under the terms of the GNU General Public License as published by
8   the Free Software Foundation; either version 2, or (at your option)
9   any later version.
10
11   This program is distributed in the hope that it will be useful,
12   but WITHOUT ANY WARRANTY; without even the implied warranty of
13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14   GNU General Public License for more details.
15
16   You should have received a copy of the GNU General Public License
17   along with this program; if not, write to the Free Software
18   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19
20   Originally written by Karl Heinz Marbaise <kama@hippo.fido.de>.  */
21
22#ifndef LANG_H
23#define LANG_H
24
25/* The language code which can be changed through @documentlanguage
26 * Actually we don't currently support this (may be in the future) ;-)
27 * These code are the ISO-639 two letter codes.
28 */
29typedef enum
30{
31  aa,  ab,  af,  am,  ar,  as,  ay,  az,
32  ba,  be,  bg,  bh,  bi,  bn,  bo,  br,
33  ca,  co,  cs,  cy,
34  da,  de,  dz,
35  el,  en,  eo,  es,  et,  eu,
36  fa,  fi,  fj,  fo,  fr,  fy,
37  ga,  gd,  gl,  gn,  gu,
38  ha,  he,  hi,  hr,  hu,  hy,
39  ia,  id,  ie,  ik,  is,  it,  iu,
40  ja,  jw,
41  ka,  kk,  kl,  km,  kn,  ko,  ks,  ku,  ky,
42  la,  ln,  lo,  lt,  lv,
43  mg,  mi,  mk,  ml,  mn,  mo,  mr,  ms,  mt,  my,
44  na,  ne,  nl,  no,
45  oc,  om,  or,
46  pa,  pl,  ps,  pt,
47  qu,
48  rm,  rn,  ro,  ru,  rw,
49  sa,  sd,  sg,  sh,  si,  sk,  sl,  sm,  sn,  so,  sq,  sr,  ss,  st,  su,  sv,  sw,
50  ta,  te,  tg,  th,  ti,  tk,  tl,  tn,  to,  tr,  ts,  tt,  tw,
51  ug,  uk,  ur,  uz,
52  vi,  vo,
53  wo,
54  xh,
55  yi,  yo,
56  za,  zh,  zu,
57  last_language_code
58} language_code_type;
59
60/* The current language code.  */
61extern language_code_type language_code;
62
63
64/* Information for each language.  */
65typedef struct
66{
67  language_code_type lc; /* language code as enum type */
68  char *abbrev;          /* two letter language code */
69  char *desc;            /* full name for language code */
70} language_type;
71
72extern language_type language_table[];
73
74
75
76/* The document encoding. This is useful to produce true 8-bit
77   characters according to the @documentencoding.  */
78
79typedef enum {
80  no_encoding,
81  US_ASCII,
82  ISO_8859_1,
83  ISO_8859_2,
84  ISO_8859_3,    /* this and none of the rest are supported. */
85  ISO_8859_4,
86  ISO_8859_5,
87  ISO_8859_6,
88  ISO_8859_7,
89  ISO_8859_8,
90  ISO_8859_9,
91  ISO_8859_10,
92  ISO_8859_11,
93  ISO_8859_12,
94  ISO_8859_13,
95  ISO_8859_14,
96  ISO_8859_15,
97  last_encoding_code
98} encoding_code_type;
99
100/* The current document encoding, or null if not set.  */
101extern encoding_code_type document_encoding_code;
102
103/* If an encoding is not supported, just keep it as a string.  */
104extern char *unknown_encoding;
105
106/* Maps an HTML abbreviation to ISO and Unicode codes for a given code.  */
107
108typedef unsigned short int unicode_t; /* should be 16 bits */
109typedef unsigned char byte_t;
110
111typedef struct
112{
113  char *html;        /* HTML equivalent like umlaut auml => &auml; */
114  byte_t bytecode;   /* 8-Bit Code (ISO 8859-1,...) */
115  unicode_t unicode; /* Unicode in U+ convention */
116} iso_map_type;
117
118/* Information about the document encoding. */
119typedef struct
120{
121  encoding_code_type ec; /* document encoding type (see above enum) */
122  char *encname;         /* encoding name like "iso-8859-1", valid in
123                            HTML and Emacs */
124  iso_map_type *isotab;  /* address of ISO translation table */
125} encoding_type;
126
127/* Table with all the encoding codes that we recognize.  */
128extern encoding_type encoding_table[];
129
130
131/* The commands.  */
132extern void cm_documentlanguage (void),
133     cm_documentencoding (void);
134
135/* Accents, other non-English characters.  */
136void cm_accent (int arg), cm_special_char (int arg),
137     cm_dotless (int arg, int start, int end);
138
139extern void cm_accent_umlaut (int arg, int start, int end),
140     cm_accent_acute (int arg, int start, int end),
141     cm_accent_cedilla (int arg, int start, int end),
142     cm_accent_hat (int arg, int start, int end),
143     cm_accent_grave (int arg, int start, int end),
144     cm_accent_tilde (int arg, int start, int end);
145
146extern char *current_document_encoding (void);
147
148#endif /* not LANG_H */
149